Ruffle, as hair (5)
I believe the answer is:
tease
'ruffle as hair' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for tease that I've seen before include "Use a comb" , "Torment, tantalise" , "Torment for fun" , "Playfully make fun of" , "Vex" .)